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What main breakers are used in a CU12L400FN?

One QDL22200 main breaker is supplied factory installed. Additional space is provided for the field installation of a second QDL main breaker, 200A maximum. Further additional space is provided for the field installation of up to four QOH main breakers, 125A maximum. The total ampacity of the combination of QOH breakers cannot exceed 200A. All of the breakers installed would be considered service disconnects.


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